how to write csv without index in pandas code example

Example 1: save dataframe to csv without index

df.to_csv(f"{filename}", index=False)

Example 2: code how pandas save csv file

df.to_csv('out.csv')

Example 3: how to write csv from a dataframe pythin

df.to_csv('file_name.csv')

Example 4: pandas read csv without index

import pandas as pd
fec = pd.read_csv('P00000001-ALL.csv',nrows=10,index_col=None)